Home / 31,449,827.22-43,402,547.82-18,894,722.16

Finding the Fourth Proportional to 31,449,827.22, 43,402,547.82 and 18,894,722.16

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Solution

The fourth proportional to 31,449,827.22, 43,402,547.82 and 18,894,722.16 is: 26,075,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449,827.22 : 43,402,547.82 = 18,894,722.16 : x
  2. Step 2: Convert to fraction form
    31,449,827.22/43,402,547.82 = 18,894,722.16/x
  3. Step 3: Cross multiply
    31,449,827.22x = 43,402,547.82 × 18,894,722.16
  4. Step 4: Simplify right side
    31,449,827.22x = 820,079,082,095,013.75
  5. Step 5: Solve for x
    x = 820,079,082,095,013.75/31,449,827.22
  6. Step 6: Final answer
    x = 26,075,789.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.